CVE-2026-77105
Undergoing Analysis
Undergoing Analysis - In Progress
Cryptographic Signature Verification Flaw in CommServe
Vulnerability report for CVE-2026-77105, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-09
Assigner: Commvault
Description
Description
CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| commvault | commserve | * |
| commvault | web_server | * |
| commvault | commserve | From 11.36.0 (inc) to 11.37.0 (exc) |
| commvault | commserve | From 11.40.0 (inc) to 11.41.0 (exc) |
| commvault | commserve | From 11.44.0 (inc) to 11.45.0 (exc) |
| commvault | commserve | From 11.46.0 (inc) to 11.47.0 (exc) |
| commvault | commserve | From 11.46.20 (inc) |
| commvault | commserve | From 11.44.20 (inc) |
| commvault | commserve | From 11.40.72 (inc) |
| commvault | commserve | From 11.36.123 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-347 | The product does not verify, or incorrectly verifies, the cryptographic signature for data. |
